body {
    min-width: 320px;
    max-width: 750px;
    margin: 0 auto;
    background-color: #fff;
  }
  * {
    margin: 0;
    padding: 0;
    /* css3盒子模型 */
    box-sizing: border-box;
}
img {
    /* border 0 照顾低版本浏览器 如果 图片外面包含了链接会有边框的问题 */
    border: 0;
    /* 取消图片底侧有空白缝隙的问题 */
    vertical-align: middle
}
button {
    /* 当我们鼠标经过button 按钮的时候，鼠标变成小手 */
    cursor: pointer
}
button,
input {
    /* "\5B8B\4F53" 就是宋体的意思 这样浏览器兼容性比较好 */
    font-family: Microsoft YaHei, Heiti SC, tahoma, arial, Hiragino Sans GB, "\5B8B\4F53", sans-serif;
    // border: 0;
    /* 去掉蓝色边框 */
    outline: none;
}
em,
i{
    font-style: normal;
}
  a {
    text-decoration: none;
    color: #707070;
  }
  // 约束当屏幕大于 750px 的时候，html字体大小就不不变化了
  @media screen and (min-width: 750px) {
    html {
      font-size: 37.5px !important;
    }
  }
//   头部区域
  .header{
      overflow: hidden;
      position: relative;
      position: fixed;
      top: 0;
    left: 50%;
    transform: translateX(-50%);
      width: 20rem;
     height:3rem;
     line-height:3rem ;
     background-image: linear-gradient(to right,#2abca5,#57c177,#76c456);
     background: url(../images/图片5.jpg) no-repeat;
     background-size: 100% 100%;
     z-index: 9999;   
     
  .date{
      position: absolute;
      right: 1rem;
      top: 1.95rem;
      width: 6.7rem;
      height: 1rem;
      font-size: .7rem;
      border:1px solid #fff;
    //   border:0;
      color:#fff;
  }
     p{
         
         float: left;
        //  margin-left: 1rem;
         text-align: center;
         color:#fff;
         font-size: .7rem;
         
     }
     .pre{
        position: absolute;
        left: 7.5rem;
        top: 0.9rem;
        font-family: 'iconfont';
        content: '\e642';
        font-size: .9rem;
        color:#fff;
     }
     .next{
        position: absolute;
        left: 12.3rem;
        top: 0.9rem;
        font-family: 'iconfont';
        content: '\e61c';
        font-size: 1.05rem;
        color:#fff;
     }
     
     .logo{
        
         float: left;
         height:3rem;
         margin-top: -.3rem;
         a{
             display: block;
             width: 4.5rem;
             height: 1.5rem;
             margin-top: .933333rem;
             margin-left: .266667rem;
             img{
                width: 100%;
                height: 100%;
             }
         }
     }
  }
  //销售商信息部分
  .trader1 {
    //   display: flex;
    //   flex-wrap: wrap;
      margin-top: 2rem;
    //   margin-bottom: 2rem;
      width: 100%;
      height: 2rem;
      
    p{
        margin-top: .266667rem;
        padding-left: 1rem;
        font-size: .48rem;
        color:#616267;
        input {
            padding-left: .133333rem;
            // width: 5.333333rem;
            width: 80%;
           font-size:.48rem;
           border:0;
        }
    }
  }
  .trader {
    //   display: flex;
    //   flex-wrap: wrap;
      margin-top: 2rem;
      margin-bottom: 1rem;
      width: 100%;
      height: 2rem;
      
    p{
        margin-top: .266667rem;
        padding-left: 1rem;
        font-size: .48rem;
        color:#616267;
        input {
            padding-left: .133333rem;
            // width: 5.333333rem;
            width: 80%;
           font-size:.48rem;
           border:0;
        }
    }
  }
//   累计人次部分
.numbers {
    
    margin-top: 3.3rem;
    margin-left: .2rem;
    font-size: .533333rem; 
    p{
        float: left;
    }
    input{
        
        border:0;
    }
    .date {
        float: left;
        margin-left: .533333rem;
        margin-top: -0.16rem;
        border:1px solid black;
    }
    #demo {
        width: 6rem;
        margin-top: -.5rem;
        margin-left: .2rem;
        padding-left: 1rem;
        border: .026667rem solid #ccc;
        border-radius: .1rem;
        
    }
    .header_search{
        
        width: 1.4rem;
        height: .8rem;
        line-height: .8rem;
        border:.026667rem solid #ccc;
        font-size: .5rem;
        background-color: #fff;
        border-radius: .1rem;
        cursor: pointer;
     }
}
//   导航栏部分
.nav{
    display: flex;
    flex-wrap: wrap;
    width: 100%;
    // border-bottom: .08rem solid green;
    // margin-top: 3.466667rem;   
    // padding-bottom:1.466667rem ;
    .nav_header {
        height: 1.266667rem;
        line-height:1.366667rem ;
        width: 100%;
        border-bottom: .08rem solid green;
        background-color: #fff;
        p {
            margin-top: .1rem;
            padding-left: .2rem;
            color:white;
            font-size:  .64rem;
            width: 100%;
            background-color: #57c177;
            border-radius: .05rem;
        }
        // span{
        //     width: 13rem;
        //     height: 1.5rem;
        //     margin-top: .266667rem;
        //     line-height: 1.5rem;
        //     // border:1px dashed #707070;
        //     font-size: .5rem;
        //     float: right;
        // }
    }
    .item{ 
       display: flex;
       width: 50%;
       flex-direction: column;
       
       align-items: center;
       margin-bottom: .266667rem;
       border-bottom: .026667rem solid lightgray;
        img{
            display: block;
            width: 4.5rem;
            height: 4.5rem;  
            margin-top: .3rem;
        }
        span{
            padding: .266667rem;
            color:black;
            font-size: .933333rem;
        }
        i {
            display: block;
            width: 3rem;
            padding: .133333rem;
            margin-bottom: .2rem;
            text-align: center;
            color:#fff;
            font-size: .426667rem;
            background-color: #57c177;
            border-radius: .153333rem;
            border: .026667rem solid #57c177;
        }
    }
}
//分割部分
.gap3 {
    height: 1.7rem;
}
// 底部部分
.footer {
    overflow: hidden;
    position: fixed;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 20rem;
    height: 1rem;
    font-size: .4rem;
    text-align: center;
    line-height: 1rem;
    color:#fff;
    background-image: linear-gradient(to right,#2abca5,#57c177,#76c456);
    background: url(../images/footer.jpg) no-repeat;
    background-size: 100%;
}
